Analysis of localized surface plasmon resonance in glass-supported gold nanoparticles with a hexagonal pattern

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DOIResolve DOI: http://doi.org/10.1117/12.2042346
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TypeArticle
Proceedings titleSPIE - International Society for Optical Engineering. Proceedings
ConferencePhotonics North 2013 Conference, 3 June 2013 through 5 June 2013, Ottawa, ON
ISSN0277-786X
ISBN9780819497918
Volume8915
Article number89151M
SubjectAbsorbance spectrum; COMSOL; Embedding ratios; Gold nanoparticle; Localized surface plasmon resonance; Seeding growth; Block copolymers; Glass; Gold; Metal nanoparticles; Photonics; Plasmons; Refractive index; Self assembly; Surface plasmon resonance
AbstractAn approach has been devised to create a hexagonal pattern of glass-supported gold nanoparticles (AuNPs) with controllable particle size and inter-particle spacing, by combining the self-assembly of block copolymer micelle-loaded metal precursors with a seeding growth method. Absorbance spectra as an optical response of the AuNP arrays were measured to obtain their LSPR peak position (λLSPR). There was a red shift in λLSPR with increasing cover medium refractive index for all fabricated and simulated arrays. A comparison between computed and measured λLSPR for a 33 nm AuNP array suggests that large nanoparticles produced by this fabrication method have ellipsoidal shapes rather than spherical ones, as in the case of small AuNP arrays. © 2013 SPIE.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
Peer reviewedYes
NPARC number21270947
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Record identifier2704eff0-d925-4524-8b81-14bc434f1ee4
Record created2014-02-18
Record modified2017-04-24
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